KEY CHANGES is a funny, gripping and candid memoir written and presented by beloved composer-performer Denis King, renowned for his timeless 'Black Beauty' theme, but also for over 20 hit musicals and a career which began in the 50s at the age of 14. Legendary artists he's worked with include Tony Bennett, Nina Simone, Stephen Sondheim, Albert Finney, Dame Edna, Maureen Lipman, Elaine Stritch, Alan Ayckbourn, Dudley Moore, Jimi Hendrix, the Beatles, Sinatra, Judy Garland.. With Denis performing much of his own music, this is a poignant, frank, hugely entertaining story of 70 years in showbiz!